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Tr 243 over Trib Bonpas Creek

Lawrence County, Illinois · rated Good in the 2025 National Bridge Inventory

United States Bridge Conditions2025 National Bridge Inventory, FHWACompiled August 20, 2026

Tr 243 over Trib Bonpas Creek in Lawrence County, Illinois, is rated in good condition in the 2025 National Bridge Inventory (as of August 20, 2026).
Its lowest-rated component is the deck, rated 8 (very good condition) on the 0-9 scale.
It was built in 2008, making it 17 years old at the 2025 inventory.
It carries about 35 vehicles a day (traffic count year 2021).
Its listed owner is the county highway agency.
It is one of 69 of the 185 inventoried bridges in Lawrence County rated good (37.3%); 42 (22.7%) are rated poor.
A good rating means every major component - deck, superstructure, substructure, or culvert - is rated 7 or higher on FHWA's 0-9 scale: no more than minor problems.

Component ratings


Structure	Prestressed concrete multiple box beam
Length	about 50 ft
Location	6.75 Mi S Sumner
NBI structure number	051329700000000
Condition class	Good

Source: FHWA National Bridge Inventory, 2025 data as reported by the Illinois department of transportation.

Bridge	Built	Vehicles/day	Condition
Fap-327wb (US-50) over Fas-1827	1958	7,200	Poor
Fap-327eb (US-50) over Fas-1827	1958	7,200	Fair
Fap-327eb (US 50) over Beaver Pond Ditch	1957	7,200	Poor
Fap-327wb (US-50) over Beaver Pond Ditch	1957	7,200	Poor
Fap-327eb (US-50) over Allison Ditch No 1	1957	7,200	Poor
Fap-327wb (US-50) over Allison Ditch No 1	1957	7,200	Poor